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Posts Tagged ‘Execution’

It is quite usual to have a license expiration date built into commercial software, but what about malware? Is it common for disabled malware to repair itself and resurface? Well, it’s definitely not common, but as you will see in this post, some cases do exist. The sample we will look at belongs to the […]

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We continue to analyse the Shamoon malware. This blog contains information about the internals of the malicious samples involved in this campaign. Samples nesting The main executable (dropper) includes 3 resources, each maintains a ciphered program. The cipher is pretty simple ? xor by dword. This was mentioned in our first blog-post. Resource PKCS12:112 maintains […]

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During the last weeks of July, we received reports from customers that their services.exe files were being patched by an unknown malware. The patched services.exe, detected by Trend Micro as PTCH_ZACCESS (for 32-bit version) and PTCH64_ZACCESS (for 64-bit version), was verified to be a component of the SIREFEF/ZACCESS malware family. ZACCESS (also known as ZEROACCESS) […]

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